OKWOR, E.C.; EZE, D.C.; UZUEGBU, M.O. The Effect of Storage Conditions on the Potency of Newcastle Disease Vaccine La Sota. International Journal of Poultry Science, Pakistan, v. 8, n. 10, p. 999–1002, 2009. DOI: 10.3923/ijps.2009.999.1002. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1292. Acesso em: 22 sep. 2025.